At 04:31 PM 12/9/2001 +0000, Tomas Frydrych wrote:
>the issue is whether
>if you print two layers over each other, you see the second layer or
>the combination of the two.

Any vector-based rendering system (Postscript, PDF, PCL, SVG,
etc.) will create a "combination of the two", since you aren't dealing with
"erased bits". But why are we even erasing things when printing (which is
the only time this really applies)??